Expired Canadian patentCanada
Liquid cleaning products
CA 1323282 C · Owner: Galvin, John Stuart · Inventors: Galvin, John Stuart
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
C.3241, ABSTRACT, LIQUID CLEANING PRODUCTS The self-heating of bleach-containing non-aqueous liquid cleaning products comprising solid particles dispersed in a liquid phase can be inhibited by incorporation of a free radical scavenger.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted October 19, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 19, 2010.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 24, 1989
GrantedOctober 19, 1993
Term endedOctober 19, 2010
Patent numberCA 1323282 C
Classification (IPC)C11D3/39 +1 more
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.